import axios from 'axios';
import { Message } from 'element-ui';
import store from '@/store';
import { getToken } from '@/utils/auth';

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 10 * 1000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    config.headers['Content-Type'] = 'application/json';
    config.headers.common['token'] = '';

    if (store.getters.token) {
      config.headers['token'] = getToken();
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== '0000') {
      // '0: Illegal(非法) token Token expired;
      if (res.code === '0') {
        // to re-login
        // MessageBox.alert('您当前登录信息失效，请重新登录', '登录信息失效', {
        //   confirmButtonText: '重新登录',
        //   type: 'warning'
        // }).then(() => {
        //   store.dispatch('resetToken').then(() => {
        //     location.reload();
        //   });
        // });
        setTimeout(() => {
          store.dispatch('resetToken').then(() => {
            location.reload();
          });
        }, 1000);
      }
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 3 * 1000
      });
      return Promise.reject(new Error(res.message || 'Error'));
    } else {
      return res;
    }
  },
  error => {
    console.log('err' + error); // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);

export default service;
